Universal charging and drying station for hearing aid

A universal charging and drying station includes a main unit and a hearing aid charger. The main unit includes a main casing, a lid, a hearing aid dryer, and a control circuitry. The hearing aid charging includes at least one interchangeable adapter unit, which includes a receptacle connector, a charging adapter and a connecting module. The connecting module has an adapter terminal electrically connecting to the hearing aid, and a plurality of connecting members detachably connected to the receptacle connector of the main casing. The interchangeable adapter unit may be operated between a charging mode and an interchangeable mode, wherein in the charging mode, the connecting module is electrically connected to the receptacle connector through the connecting members for charging the hearing aid, wherein in the interchangeable mode, the connecting module is detached from the receptacle connector for interchange of the interchangeable adapter unit.